Mental Math Worksheet
Recommended for 1st Grade — 5th Grade
Mental Math Worksheet
Name: ____________________Date: ____________
Instructions: Using mental strategies like making ten, doubling, and compensation to compute quickly.
20 problems
9 × 10 = ______
4 × 10 = ______
35 + 20 = ______
27 − 10 = ______
68 + 20 = ______
33 − 10 = ______
78 − 10 = ______
42 − 10 = ______
32 + 10 = ______
41 + 10 = ______
82 + 20 = ______
5 × 10 = ______
76 − 10 = ______
47 − 10 = ______
21 − 10 = ______
55 + 20 = ______
7 × 10 = ______
3 × 10 = ______
50 − 10 = ______
86 − 10 = ______
